Question

o
5. The cost price of 25 articles is equal to the selling price of 20 articles. Find the profit per cent.
6. If I purchased 11 books for 1000 and sold 10 books for 1100, then find the percentage of profi
7. An article is sold at a loss of 20%. There is a yield of 60 more if the article is mold
the cost price of the article​

Answer 1

Answer:

The mean deviation about ode for the numbers 4/11, 6/11, 8/11, 9/11, 12/11, 8/11 is

(a) 9/15